public class HelloWorldPositionClass {
	
	/*TODO: Declare a static method that takes a list of positions*/  
	public static void updatePositionsHello (List<Position__c> positions){

		for (Position__c p:positions){
			if (p.Hello__c != 'World') {
				/*TODO: Assign the value of "World" to the Hello field on the position*/
				p.Hello__c = 'World'; 
			}
		}
	}
}